KCB (2CY) type geared oil pump is used to transport the oil, such as cooking oil, heavy oil, industrial light oil, lubricating oil, which is non-corrosion, non solid grain and fiber, the viscosity is 5*10—1. 5*10m2/s, and the temperature of which should not exceed 70℃ (you can have it made to order if 300℃ is needed). The matching copper gear can transport the low-flash liquid, such as gasoline, benzene. It is applicable to oil warehouse, dock, shipping, factory, farmland and mine.